Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: qual é a data de retirada de todas as obras para koningin beatrix
 ###Tabelas: CREATE TABLE number (number_id AUTO_INCREMENT PRIMARY KEY, singular VARCHAR, singular gender VARCHAR, plural VARCHAR, plural gender VARCHAR, meaning VARCHAR) CREATE TABLE garmisch-partenkirchen (garmisch-partenkirchen_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Name VARCHAR, Nationality VARCHAR, 1st (m) INT, 2nd (m) INT, Points INT, Overall FHT points VARCHAR, Overall WC points (Rank) VARCHAR) CREATE TABLE doubles:_10_5-5 (doubles:_10_5-5_id AUTO_INCREMENT PRIMARY KEY, Outcome VARCHAR, Date VARCHAR, Surface VARCHAR, Partner VARCHAR, Opponents VARCHAR, Score VARCHAR) CREATE TABLE best_economy (best_economy_id AUTO_INCREMENT PRIMARY KEY, Player VARCHAR, Team VARCHAR, Matches INT, Overs INT, Economy Rate INT, Wickets INT, Average INT, Strike Rate INT, Best Bowling VARCHAR) CREATE TABLE ships_operated_by_zeeland_steamship_company_smz (ships_operated_by_zeeland_steamship_company_smz_id AUTO_INCREMENT PRIMARY KEY, Ships name VARCHAR, Date entered service VARCHAR, Date withdrawn VARCHAR, Tonnage INT, Type of Ship VARCHAR)  
SELECT Date withdrawn FROM ships_operated_by_zeeland_steamship_company_smz WHERE Ships name = Koningin Beatrix